A car starts from rest and reaches a speed of 48 m/s in 15 seconds. The acceleration increases from zero uniformly with time for the first 6 seconds after which it remains constant. Which of the following gives the distance travelled in 15 seconds?

Q: A subway train starts from rest at a station and accelerates at a rate of 2.50 m/s? for 15.90…

A:

Q: A car traveling at 40.0 m/s applies the brakes and decelerates uniformly at a rate of 2.5 m/s2. a)…

A: Given: The deacceleration of the car is 2.5 m/s2. The velocity of the car is 40.0 m/s. The time…

Q: When you normally drive the freeway between Sacramento and San Francisco at an average speed of 115…

A:

Q: Enter an expression, in terms of defined quantities, for the car's speed just before the driver…

A: The constant acceleration af=1.51 m/s Time t1=20 sec

Q: (a) A light-rail commuter train accelerates at a rate of 1.35 m/s². How long (in s) does it take to…

A: given a = 1.35 m/s2 u = 0 m/s  (starting from rest so initial velocity is zero) v = 80 km/h  or…

Q: An object moving at 17.75 m/s with a constant acceleration covers a distance of 90m in 17.8 sec. a.…

A:

Q: At the end of a race, a runner decelerates from a velocity of 9.00 m/s at a rate of 2.00 m/s2 . (a)…

A: initial velocity, u = 9 m/s acceleration, a =- 2 m/s2 time, t = 5 s

Q: (a) How far is the train in first 30sec? (b) What is the average velocity of the train for the…

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Q: A car traveling at 40.0 m/s applies the brakes and decelerates uniformly at a rate of 2.5 m/s2. a)…

A:

Q: Two cars are traveling along a straight-line in the same direction, the lead car at 25.0 m/s and the…

A: (a) From kinematics, the expression for the velocity in terms of time is:

Q: You are driving through town at 10.0 m/s when suddenly a ball rolls out in front of you. You apply…

A: In this question we have to find the distance at which the vehicle stops and speed of the car.…

Q: accelerates uniformly from zero to 12 m/sec^2 in 8 seconds starting from rest. During the next 4…

A: V=u +at

Q: One-Dimensional Kinematics (College Physics Ch. 2) 1. An extreme athlete wants to jump on an open…

A: let the total time be tdistance travelled by car is Sc=Vc×tSc=4.8×t m

Q: A car traveling at 40.0 m/s applies the brakes and decelerates uniformly at a rate of 2.5 m/s2. a)…

A: The equations governing the motion of a body are called Kinematic equations. Newton gave three…

Q: A bullet (siy ala) 2 cm long is fired at 420 m/s and passes straight through a 10 cm thick…

A: Initial velocity, u = 420 m/sFinal velocity, v = 280 m/sThickness of board and bullet, d = 0.12 m…

Q: (a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.54 m/s² and…

A: We assume the train accelerates from rest ( v0=0 and x0=0) at a1=+1.34m/s2 until the midway point…

Q: A truck on a straight road starts from rest and accelerates at 2.0 m/s? until it reaches a speed of…

A:

Q: Just as the traffic light changes to green, a Mustang drives through the intersection at a constant…

A: To determine,time(t) passed before the two cars meet again.  How far have they…

Q: You are driving through town at 16 m>swhen suddenly a car backs out of a driveway in front of…

A: Given data: The initial speed is, u=16 m/s The acceleration is, a=3.2 m/s2  Step 1: (a) The equation…

Q: (a) A light-rail commuter train accelerates at a rate of 1.35 m/s2. How long does it take to reach…

A: Given Data: The acceleration of a train is a=1.35 m/s2 The top speed of a train is v=80 km/h The…

Q: A truck on a straight road starts from rest, accelerating at 2.00 m/s² until it reaches a speed of…

A: Given :                   Acceleration a1 = 2.00 m/s2                   Speed v1 = 1.2 km/h = 0.33…

Q: A powerful motorcycle can accelerate from rest to 23.8 m/s (53 mi/h) in only 2.90 s. (For each…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 23.8 m/s Time (t) = 2.90 s Required:…

Q: A car accelerates uniformly from rest at a rate of 5.25 m/ s^2. a. How far does the car travel in…

A: Write the given values with suitable variables. u=0 m/sa=5.25 m/s2t=0.1167 min=0.1167×60 s=7.002 s…

Q: (a) A light-rail commuter train accelerates at a rate of 1.35 m/s. How long does it take to reach…

A: Given:- Acceleration, a= 1.35 m/s2 initial velocity, u= 0

Q: (a) A light-rail commuter train accelerates at a rate of 1.45 m/s². How long (in s) does it take to…

A: Acceleration is defined as the rate of change on velocity with respect to time.a=vf-vit Deceleration…

Q: (a) A light-rail commuter train accelerates at a rate of 1.35 m/s2. How long does it take to reach…

A: a) Use kinematic equation, the expression for find time is t=v-ua Insert values in the above…

Q: 1. A train leaves the station on a 50 km commute. The train must make a 60-second stop every 1.0 km…

A:

Q: An electric vehicle starts from rest and accelerates at a rate of 1.7 m/s² in a straight line until…

A: Given:- An Electric vehicle starts from the rest and accelerates at a rate of a1 = 1.7 m/s2. The…

Q: Show and explain the complete solution with the formulas. Label the symbols used accordingly.

A:

Q: A bullet 2.50 cm long is fired at 450 m/s and passes straight through a 12.0 cm thick board, exiting…

A: Given Bullet length= 2.5 cm= 0.025m Thickness= 0.12m initial velocity= 450m/s final velocity= 275m/s…

Q: A body moves along one dimension with a constant acceleration of 4.65 m/s over a time interval. At…

A: Given that : v=11.8 m/s u=5.90 m/s a=4.65 m/s2 (a) The displacement is, s=v2-u22a=11.8 m/s2-5.90…

Q: During takeoff, an airplane goes from 0m/s to 58 m/s in 7.7s. A) what is it acceleration? B) how…

A:

Q: 1) A rock is thrown downward from the top of a 40.0-m-tall tower with an initial speed of 12 m/s.…

A: 1) Given data The height of the tower is h=40.0 m The initial speed is u=12 m/s The equation of…

Q: A bullet 2.50 cm long is fired at 450 m/s and passes straight through a 12.0 cm thick board, exiting…

A:

Q: a. At what time is the toy going at the greatest velocity? b. How fast is it traveling at that time?…

A: The slope of position-time curve at any gives the velocity at that point, where the slope is maximum…

Q: A particle moves along one dimension with a constant acceleration of 3.45 m/s2 over a time interval.…

A: (a) The displacement is,   s=v2-u22a=10.2 m/s2-5.10 m/s223.45 m/s2=11.3 m (b) the time taken is…

Q: Two cars A and B have a velocity of 25 m/sec in the same direction. A is 73.5 m behind B when the…

A: Velocity of both car = 25m/s Distance between car =73.5 Retardation of car B =3m/s2

Q: A commuter backs her car out of her garage with a constant acceleration of 1.60 m/s2. (For each…

A: A commuter backs her car out of her garage with a constant acceleration of 1.60 m/s2. The initial…

Q: A stone is thrown straight up from the edge of a roof, 1000 feet above the ground, at a speed of 12…

A: Ans:- Image-1

Q: At the end of a race, a runner decelerates from a velocity of 9.00 m/s at a rate of 2m/s^2. (a) How…

A: The velocity of runner at the end of race (u) = 9 msAcceleration (a) = - 2 ms2time (t) = 5 s